Wisconsin Constitution Article XI § 4 – General banking law
[As created Nov. 1902 and amended April 1981] The legislature may enact a general banking law for the creation of banks, and for the regulation and supervision of the banking business. [1899 J.R. 13, 1901 J.R. 2, 1901 c. 73, vote Nov. 1902; 1979 J.R. 21, 1981 J.R. 9, vote April 1981]